1. Andreski, S. L. (1972).Social science as sorcery. London:Andre Deutsch.
2. Arvill, R. (1972).Man and environment. Harmondsworth: Penguin Books, Ltd.
3. Durkheim, E. (1964).The division of labour in society. New York: The Free Press of Glencoe.
4. Durkheim, E. (1951).Suicide. New York: The Free Press of Glencoe.
5. Firth, R. (1936).We, the Tikopia. London: George Allen & Unwin.